When a Radioactive Isotope Decays by Electron Capture, the Electron______

question 90

Multiple Choice

When a radioactive isotope decays by electron capture, the electron______ .

• A) makes the parent isotope into an ion with a charge of negative one
• B) combines with a proton in the nucleus; the atomic number of the daughter is one less than the parent
• C) combines with a neutron in the nucleus, raising the mass number of the daughter isotope by one
• D) makes the daughter isotope into an ion with a charge of positive one

---

Definitions:

Physically Hurts

Refers to sensations or experiences of pain that affect the body.

Relational Aggression

A form of social aggression where harm is caused through manipulation or damage to relationships.

Social Rejection

The act or experience of being deliberately excluded or disregarded by others within a social context or group.

Generous

Showing a readiness to give more of something, such as money or time, than is strictly necessary or expected.